#include <bits/stdc++.h>
using namespace std;
long long n,a[100005],cnt[100005];
int main()
{
    freopen("duel.in","r",stdin);
    freopen("duel.out","w",stdout);
    cin>>n;
    long long maxn=0;
    for(int i=1;i<=n;i++)
    {
		cin>>a[i];
		cnt[a[i]]++;
		maxn=max(maxn,cnt[a[i]]);
	}
	cout<<maxn<<endl;
    return 0;
}
